From bcb67dd22f06a7f7c85350bc548c50ccfc27dbaa Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Sat, 8 Jun 2013 14:10:08 -0700 Subject: [PATCH] Make sure mdb_stat() gets valid data --- libraries/liblmdb/mdb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 9e01fb5..a90d7d5 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -7325,6 +7325,12 @@ int mdb_stat(MDB_txn *txn, MDB_dbi dbi, MDB_stat *arg) if (txn == NULL || arg == NULL || dbi >= txn->mt_numdbs) return EINVAL; + if (txn->mt_dbflags[dbi] & DB_STALE) { + MDB_cursor mc; + MDB_xcursor mx; + /* Stale, must read the DB's root. cursor_init does it for us. */ + mdb_cursor_init(&mc, txn, dbi, &mx); + } return mdb_stat0(txn->mt_env, &txn->mt_dbs[dbi], arg); }